|
| US4035680 | 10 May 1976 | 12 Jul 1977 | Pont-A-Mousson S.A. | Variable reluctance motor |
| US4663581 | 31 Oct 1984 | 5 May 1987 | Sundstrand Corporation | Voltage regulated permanent magnet generator system |
| US4684873 | 25 Sep 1985 | 4 Aug 1987 | Sundstrand Corporation | Hybrid generating system |
| US4691119 | 20 Jun 1985 | 1 Sep 1987 | Westinghouse Electric Corp. | Permanent magnet alternator power generation system |
| US5309081 | 18 Aug 1992 | 3 May 1994 | Sundstrand Corporation | Power conversion system with dual permanent magnet generator having prime mover start capability |
| US5955809 | 11 Aug 1994 | 21 Sep 1999 | Intellectual Property Law Department Sundstrand Corporation | Permanent magnet generator with auxiliary winding |
| US7061152 | 23 Dec 2004 | 13 Jun 2006 | NovaTorque, Inc. | Rotor-stator structure for electrodynamic machines |
| US7205693 | 2 Mar 2006 | 17 Apr 2007 | NovaTorque, Inc. | Rotor-stator structure for electrodynamic machines |
| US7239058 | 2 Mar 2006 | 3 Jul 2007 | NovaTorque, Inc. | Rotor-stator structure for electrodynamic machines |
| US7294948 | 20 Oct 2005 | 13 Nov 2007 | Novatorque, Inc. | Rotor-stator structure for electrodynamic machines |
| US7884522 | 26 Oct 2007 | 8 Feb 2011 | NovaTorque, Inc. | Stator and rotor-stator structures for electrodynamic machines |
| US7982350 | 3 Apr 2008 | 19 Jul 2011 | NovaTorque, Inc. | Conical magnets and rotor-stator structures for electrodynamic machines |
| US8232700 | 19 Dec 2008 | 31 Jul 2012 | Pratt & Whitney Canada Corp. | Multi-rotor electric machine |
